阅读下面短文，从每题所给的A、B、C、D四个选项中选出能正确回答所提问题或完成所给句子的最佳答案。

    Nowadays, it's easy for most students in the city to get to school. They can take the subway or ride  bikes. And many schools have the school buses. And the roads in the city are wide and clean. But do you know how the students in a village in Sichuan get to school? They have to pass two mountains （山）  to get to school. The road is narrow and muddy. It's dangerous to walk on the mountain slope.

    Mr.Lee is the only teacher in the village. He goes to school with some of his students. He loves all his students and the students love him, too. He tries his best to teach the students well. He also wants a better road one day.Itis his dream.